隔音屏障，又称隔音墙，是舒缓噪音的方法之一，也是缓和道路，铁路和工业噪音源等噪音的最有效的方法。大部分用于道路方面，而在建筑中的地盘外亦会围上隔音屏障，减少噪音及尘埃对行人或附近的滋扰。
... noise attenuation measure 噪音减低措施 noise barrier 隔声屏障；隔声围墙；隔声板；隔音屏障 noise barrier reserve 预留作为设置隔声屏障的土地 ...
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... acoustic assurance period声量保证期 acoustic baffle cover隔音罩 acoustic barrier隔音屏；隔音屏障 ...
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... acoustic mat 吸音席 acoustic shield 隔音屏障 acoustic treatment 隔音措施；噪音消减处理 ...
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关于隔音作用来说，PC板是国际上公认的高速公路隔音屏障的首选资料，它乃至能够绝缘40分贝的音响。
About the sound insulation effect, PC board is internationally recognized as the first selection of highway noise barrier material, it can even 40 decibels of sound insulation.
为评估在现有道路设置路旁隔音屏障及隔音罩这类相应措施的实际可行性，当局现正进行一项全港性的顾问研究。
To assess the practicability of installing counter-measures such as roadside barriers and enclosures on existing roads to reduce noise, a Hong Kong-wide consultancy study is under way.
注意：研究人员并未考虑研究对象所居住环境中是否有隔音屏障以及居住楼层的差别，这些因素会影响暴露在交通噪音中的水平。
Caveat: the researchers couldn't account for the presence of noise barriers or the floor level on which the subjects lived, factors that would influence traffic-noise exposure.
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